The Springfield 1903 has a 1" in 10" twist rate. The later M1 service rifle also has a 1" in 10" twist rate.
it is a one in 12" rate of twist good for up to 55 gr. bullets may stabalize some 60 gr but heavier bullets may suffer in accuracy..... Turns out that ALL H&R/NEF .223 barrels made will be 1-9 twist starting in 2006. This is great news to those of us who want an inexpencive .223 rifle that can shoot heavy bullets.
1:16
It will vary with caliber.
The "rate of twist on rifling" is caliber specific. To give you an answer we would need to know which cartridge the rifle is chambered for.
1/10
Them twist rate of a Winchester model 70 rifle in .223 Rem.is 1"in 9".
1 in 16"
Your Winchester model 70 bolt action rifle that is chambered in .300 Win Mag,has a twist rate of 1 in 10.
1 in 10". http://www.go2gbo.com/forums/index.php/topic,26264.0.html
The Remington Model 66 is chambered for the .22 long rifle cartridge. The most common twist rate for the .22 long rifle is one full turn in sixteen inches (1:16).
The standard rate of twist for a .22LR firearm is 1 turn in 16 inches. I don't know why a Remington 541 target rifle would be any different than 1:16